89811348481 has 6 divisors (see below), whose sum is σ = 90101156546. Its totient is φ = 89522469600.

The previous prime is 89811348469. The next prime is 89811348499. The reversal of 89811348481 is 18484311898.

It can be written as a sum of positive squares in only one way, i.e., 68897850256 + 20913498225 = 262484^2 + 144615^2 .

It is not a de Polignac number, because 89811348481 - 2⁷ = 89811348353 is a prime.

It is a super-3 number, since 3×89811348481³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89811348461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367560 + ... + 561001.

Almost surely, 2^89811348481 is an apocalyptic number.

It is an amenable number.

89811348481 is a deficient number, since it is larger than the sum of its proper divisors (289808065).

89811348481 is an frugal number, since it uses more digits than its factorization.

89811348481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929183 (or 928872 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 55.

The spelling of 89811348481 in words is "eighty-nine billion, eight hundred eleven million, three hundred forty-eight thousand, four hundred eighty-one".